Chemicals, Metals, Acids And Gases Everyday Science One Liner MCQs

Chemicals, Metals, Acids And Gases Everyday Science One Liner MCQs

• Substance which changes readily into vapor upon heating is called volatile
• Selenium is a non metal
• Most elastic among carbon, rubber, glass and paper is glass
• Quartz is chemically silicon dioxide
• Highest electrical conductivity is of Silver
• Vinegar contains Acetic Acid.
• Lightest element found in nature is hydrogen
• Heaviest atom is uranium with atomic weight 92 amu
• Molasses is a by-product of sugar industry.
• Formic Acid is used in dying, tanning and electroplating.
• Sodium Benzoid is used for the preservation of grains.
• Which gas discovered in 1898 has a name meaning new Neon.
• The metal known as quick silver: Mercury
• Ethylene is a gas concerned with Ripening of fruits.
• Opium is obtained from seed capsule of opium poppy.
• Dry Ice is solid Carbon dioxide
• The most common element in the universe is Nitrogen.
• Geologists have classified nearly 3000 minerals.
• Igneous rocks are solidified form of molten magma.
• Sedimentary rocks are formed by the deposition of sediments in water.
• Metamorphic rocks are the rocks transformed by the action of intense heat or great pressure or chemical activity.
• Shale is a metamorphic rock.
• Sedimentary rocks cover about 75% of world’s land area.
• Moon rocks collected by astronauts are igneous in type.